The question that bothers me is why is the "Blood type diet" so well-known. Is there any scientific base? Any research, studies, references? When I hear someone talking about how we should eat according to our blood type, I would like to say that it's huge BS, but how do I answer to the question "why is it BS?"
Is it really just some guy who came up with the idea, did not back it up with any evidence and is now popular around the world for no reason?
One criticism of D'Adamo's hypotheses
and recommendations claims that he
provided inadequate evidence. For
example, his first book, Eat Right 4
Your Type, published in 1997, contains
only a bibliography. While his
subsequent books have provided
thorough references for the
classifications of various foods
within his categories of
"beneficials", "neutrals" and
"avoids", his specific process and
reasons for reaching these conclusions
of classification remain undocumented.
Also, by limiting the very complex
human beings to just four limiting
stereotypes, the blood type diet has
been likened to a "blood type